Justine Mastin is a therapist, interviewer, presenter, consultant, and voiceover artist. She also co-hosts the podcasts "Starship Therapise" and "Dark Side of the Mat," and has presented a TEDx talk.Mastin has practiced therapy since 2014. She specializes in serving pantients who are interested in pop culture fandom. She co-authored the books, "Starship Therapise: Using Therapeutic Fanfiction to Rewrite Your Life," published in 2021, and "The Grieving Therapist: Caring for Yourself and Your Clients When It Feels Like the End of the World," published in 2023.Mastin received her B.A. in Sociology from the University of Minnesota and her M.A. in Addiction Counseling from the Hazelden Betty Ford Graduate School of Addiction Studies.